sdl-ios-xcode: src/cpuinfo/SDL

annotate src/cpuinfo/SDL_cpuinfo.c @ 5170:88c656ffea44

Fixed crash if SDL_VideoDriverName() is passed a NULL namebuf

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 03 Feb 2011 16:57:38 -0800
parents	b3f075368b1f
children	6a65c1fc07af

rev	line source
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3606 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1229 diff changeset	6 modify it under the terms of the GNU Lesser General Public
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1229 diff changeset	8 version 2.1 of the License, or (at your option) any later version.
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1229 diff changeset	13 Lesser General Public License for more details.
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1229 diff changeset	15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1229 diff changeset	16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1229 diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	22 #include "SDL_config.h"
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 /* CPU feature detection for SDL */
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	26 #include "SDL_cpuinfo.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	27
3586 b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	28 #ifdef HAVE_SYSCONF
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	29 #include <unistd.h>
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	30 #endif
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	31 #ifdef HAVE_SYSCTLBYNAME
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	32 #include <sys/types.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	33 #include <sys/sysctl.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	34 #endif
3248 cde30895105d Added 64-bit architectures to the fat build script Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	35 #if defined(__MACOSX__) && (defined(__ppc__) \|\| defined(__ppc64__))
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	36 #include <sys/sysctl.h> /* For AltiVec check */
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1442 diff changeset	37 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	38 #include <signal.h>
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	39 #include <setjmp.h>
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	40 #endif
5088 c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008 Sam Lantinga <slouken@libsdl.org> parents: 5062 diff changeset	41 #ifdef __WIN32__
5092 327f181542f1 Include windows.h in a single point in the source, so we can be consistent about the definition of UNICODE and have core utility functions for Windows that all modules can share. Sam Lantinga <slouken@libsdl.org> parents: 5088 diff changeset	42 #include "../core/windows/SDL_windows.h"
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	43 #endif
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	44
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	45 #define CPU_HAS_RDTSC 0x00000001
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	46 #define CPU_HAS_MMX 0x00000002
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	47 #define CPU_HAS_MMXEXT 0x00000004
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	48 #define CPU_HAS_3DNOW 0x00000010
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	49 #define CPU_HAS_3DNOWEXT 0x00000020
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	50 #define CPU_HAS_SSE 0x00000040
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	51 #define CPU_HAS_SSE2 0x00000080
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	52 #define CPU_HAS_ALTIVEC 0x00000100
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	53
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1442 diff changeset	54 #if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	55 /* This is the brute force way of detecting instruction sets...
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	56 the idea is borrowed from the libmpeg2 library - thanks!
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	57 */
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	58 static jmp_buf jmpbuf;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	59 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	60 illegal_instruction(int sig)
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	61 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	62 longjmp(jmpbuf, 1);
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	63 }
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	64 #endif /* HAVE_SETJMP */
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	65
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	66 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	67 CPU_haveCPUID(void)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	68 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	69 int has_CPUID = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	70 /* INDENT-OFF */
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	71 #if defined(__GNUC__) && defined(i386)
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	72 __asm__ (
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	73 " pushfl # Get original EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	74 " popl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	75 " movl %%eax,%%ecx \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	76 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	77 " pushl %%eax # Save new EFLAGS value on stack \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	78 " popfl # Replace current EFLAGS value \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	79 " pushfl # Get new EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	80 " popl %%eax # Store new EFLAGS in EAX \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	81 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	82 " jz 1f # Processor=80486 \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	83 " movl $1,%0 # We have CPUID support \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	84 "1: \n"
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	85 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	86 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	87 : "%eax", "%ecx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	88 );
881 9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	89 #elif defined(__GNUC__) && defined(__x86_64__)
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	90 /* Technically, if this is being compiled under __x86_64__ then it has
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	91 CPUid by definition. But it's nice to be able to prove it. :) */
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	92 __asm__ (
881 9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	93 " pushfq # Get original EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	94 " popq %%rax \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	95 " movq %%rax,%%rcx \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	96 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	97 " pushq %%rax # Save new EFLAGS value on stack \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	98 " popfq # Replace current EFLAGS value \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	99 " pushfq # Get new EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	100 " popq %%rax # Store new EFLAGS in EAX \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	101 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	102 " jz 1f # Processor=80486 \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	103 " movl $1,%0 # We have CPUID support \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	104 "1: \n"
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	105 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	106 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	107 : "%rax", "%rcx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	108 );
1442 e3242177fe4a Updated OS/2 build, yay! Sam Lantinga <slouken@libsdl.org> parents: 1426 diff changeset	109 #elif (defined(_MSC_VER) && defined(_M_IX86)) \|\| defined(__WATCOMC__)
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	110 __asm {
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	111 pushfd ; Get original EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	112 pop eax
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	113 mov ecx, eax
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	114 xor eax, 200000h ; Flip ID bit in EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	115 push eax ; Save new EFLAGS value on stack
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	116 popfd ; Replace current EFLAGS value
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	117 pushfd ; Get new EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	118 pop eax ; Store new EFLAGS in EAX
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	119 xor eax, ecx ; Can not toggle ID bit,
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	120 jz done ; Processor=80486
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	121 mov has_CPUID,1 ; We have CPUID support
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	122 done:
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	123 }
1864 7bea26ad3130 I think this fixes bug #244 Sam Lantinga <slouken@libsdl.org> parents: 1590 diff changeset	124 #elif defined(__sun) && defined(__i386)
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	125 __asm (
1229 1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	126 " pushfl \n"
3584 41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	127 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	128 " movl %eax,%ecx \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	129 " xorl $0x200000,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	130 " pushl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	131 " popfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	132 " pushfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	133 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	134 " xorl %ecx,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	135 " jz 1f \n"
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	136 " movl $1,-8(%ebp) \n"
1229 1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	137 "1: \n"
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	138 );
1229 1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	139 #elif defined(__sun) && defined(__amd64)
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	140 __asm (
1229 1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	141 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	142 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	143 " movq %rax,%rcx \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	144 " xorl $0x200000,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	145 " pushq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	146 " popfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	147 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	148 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	149 " xorl %ecx,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	150 " jz 1f \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	151 " movl $1,-8(%rbp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris. Ryan C. Gordon <icculus@icculus.org> parents: 1198 diff changeset	152 "1: \n"
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	153 );
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	154 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	155 /* INDENT-ON */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	156 return has_CPUID;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	157 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158
3587 2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	159 #if defined(__GNUC__) && defined(i386)
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	160 #define cpuid(func, a, b, c, d) \
3584 41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	161 __asm__ __volatile__ ( \
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	162 " pushl %%ebx \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	163 " cpuid \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	164 " movl %%ebx, %%esi \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	165 " popl %%ebx \n" : \
41d01d70659c Fixed cpuid assembly to work on PIC code Sam Lantinga <slouken@libsdl.org> parents: 3580 diff changeset	166 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
3587 2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	167 #elif defined(__GNUC__) && defined(__x86_64__)
2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	168 #define cpuid(func, a, b, c, d) \
2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	169 __asm__ __volatile__ ( \
2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	170 " pushq %%rbx \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	171 " cpuid \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	172 " movq %%rbx, %%rsi \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	173 " popq %%rbx \n" : \
2080e8d75ac6 Implemented 64-bit version of cpuid code Sam Lantinga <slouken@libsdl.org> parents: 3586 diff changeset	174 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	175 #elif (defined(_MSC_VER) && defined(_M_IX86)) \|\| defined(__WATCOMC__)
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	176 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	177 __asm { \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	178 __asm mov eax, func \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	179 __asm cpuid \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	180 __asm mov a, eax \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	181 __asm mov b, ebx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	182 __asm mov c, ecx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	183 __asm mov d, edx \
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	184 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	185 #else
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	186 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	187 a = b = c = d = 0
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	188 #endif
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	189
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	190 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	191 CPU_getCPUIDFeatures(void)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	192 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	193 int features = 0;
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	194 int a, b, c, d;
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	195
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	196 cpuid(0, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	197 if (a >= 1) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	198 cpuid(1, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	199 features = d;
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	200 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	201 return features;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	202 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	203
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	204 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	205 CPU_getCPUIDFeaturesExt(void)
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	206 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	207 int features = 0;
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	208 int a, b, c, d;
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	209
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	210 cpuid(0x80000000, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	211 if (a >= 0x80000001) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	212 cpuid(0x80000001, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	213 features = d;
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	214 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	215 return features;
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	216 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	217
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	218 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	219 CPU_haveRDTSC(void)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	220 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	221 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	222 return (CPU_getCPUIDFeatures() & 0x00000010);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	223 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	224 return 0;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	225 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	227 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	228 CPU_haveMMX(void)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	229 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	230 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	231 return (CPU_getCPUIDFeatures() & 0x00800000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	232 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	233 return 0;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	234 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	235
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	236 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	237 CPU_haveMMXExt(void)
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	238 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	239 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	240 return (CPU_getCPUIDFeaturesExt() & 0x00400000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	241 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	242 return 0;
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	243 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	244
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	245 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	246 CPU_have3DNow(void)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	247 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	248 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	249 return (CPU_getCPUIDFeaturesExt() & 0x80000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	250 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	251 return 0;
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	252 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	253
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	254 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	255 CPU_have3DNowExt(void)
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	256 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	257 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	258 return (CPU_getCPUIDFeaturesExt() & 0x40000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	259 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	260 return 0;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	261 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	262
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	263 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	264 CPU_haveSSE(void)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	265 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	266 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	267 return (CPU_getCPUIDFeatures() & 0x02000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	268 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	269 return 0;
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	270 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	271
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	272 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	273 CPU_haveSSE2(void)
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	274 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	275 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	276 return (CPU_getCPUIDFeatures() & 0x04000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	277 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	278 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	279 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	280
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	281 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	282 CPU_haveAltiVec(void)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	283 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	284 volatile int altivec = 0;
3248 cde30895105d Added 64-bit architectures to the fat build script Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	285 #if defined(__MACOSX__) && (defined(__ppc__) \|\| defined(__ppc64__))
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	286 int selectors[2] = { CTL_HW, HW_VECTORUNIT };
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	287 int hasVectorUnit = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	288 size_t length = sizeof(hasVectorUnit);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	289 int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	290 if (0 == error)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	291 altivec = (hasVectorUnit != 0);
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	292 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	293 void (*handler) (int sig);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	294 handler = signal(SIGILL, illegal_instruction);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	295 if (setjmp(jmpbuf) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	296 asm volatile ("mtspr 256, %0\n\t" "vand %%v0, %%v0, %%v0"::"r" (-1));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	297 altivec = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	298 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	299 signal(SIGILL, handler);
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	300 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	301 return altivec;
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	302 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	303
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	304 static int SDL_CPUCount = 0;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	305
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	306 int
5122 b3f075368b1f Added API function to get CPU cache line size. Sam Lantinga <slouken@libsdl.org> parents: 5117 diff changeset	307 SDL_GetCPUCount(void)
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	308 {
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	309 if (!SDL_CPUCount) {
3606 1a4456a01995 Fixed bug #924 Sam Lantinga <slouken@libsdl.org> parents: 3587 diff changeset	310 #if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)
3586 b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	311 if (SDL_CPUCount <= 0) {
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	312 SDL_CPUCount = (int)sysconf(_SC_NPROCESSORS_ONLN);
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	313 }
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	314 #endif
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	315 #ifdef HAVE_SYSCTLBYNAME
3586 b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	316 if (SDL_CPUCount <= 0) {
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	317 size_t size = sizeof(SDL_CPUCount);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	318 sysctlbyname("hw.ncpu", &SDL_CPUCount, &size, NULL, 0);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	319 }
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	320 #endif
5088 c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008 Sam Lantinga <slouken@libsdl.org> parents: 5062 diff changeset	321 #ifdef __WIN32__
3586 b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	322 if (SDL_CPUCount <= 0) {
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	323 SYSTEM_INFO info;
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	324 GetSystemInfo(&info);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	325 SDL_CPUCount = info.dwNumberOfProcessors;
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	326 }
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	327 #endif
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	328 /* There has to be at least 1, right? :) */
3586 b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 3584 diff changeset	329 if (SDL_CPUCount <= 0) {
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	330 SDL_CPUCount = 1;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	331 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	332 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	333 return SDL_CPUCount;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	334 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	335
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	336 /* Oh, such a sweet sweet trick, just not very useful. :) */
4472 791b3256fb22 Mostly cleaned up warnings with -Wmissing-prototypes Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	337 static const char *
5122 b3f075368b1f Added API function to get CPU cache line size. Sam Lantinga <slouken@libsdl.org> parents: 5117 diff changeset	338 SDL_GetCPUType(void)
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	339 {
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	340 static char SDL_CPUType[13];
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	341
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	342 if (!SDL_CPUType[0]) {
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	343 int i = 0;
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	344 int a, b, c, d;
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	345
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	346 if (CPU_haveCPUID()) {
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	347 cpuid(0x00000000, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	348 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	349 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	350 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	351 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	352 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	353 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	354 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	355 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	356 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	357 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	358 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	359 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	360 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	361 if (!SDL_CPUType[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	362 SDL_strlcpy(SDL_CPUType, "Unknown", sizeof(SDL_CPUType));
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	363 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	364 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	365 return SDL_CPUType;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	366 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	367
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	368 static const char *
5122 b3f075368b1f Added API function to get CPU cache line size. Sam Lantinga <slouken@libsdl.org> parents: 5117 diff changeset	369 SDL_GetCPUName(void)
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	370 {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	371 static char SDL_CPUName[48];
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	372
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	373 if (!SDL_CPUName[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	374 int i = 0;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	375 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	376
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	377 if (CPU_haveCPUID()) {
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	378 cpuid(0x80000000, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	379 if (a >= 0x80000004) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	380 cpuid(0x80000002, a, b, c, d);
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	381 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	382 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	383 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	384 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	385 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	386 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	387 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	388 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	389 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	390 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	391 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	392 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	393 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	394 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	395 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	396 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	397 cpuid(0x80000003, a, b, c, d);
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	398 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	399 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	400 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	401 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	402 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	403 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	404 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	405 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	406 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	407 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	408 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	409 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	410 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	411 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	412 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	413 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580 951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount() Sam Lantinga <slouken@libsdl.org> parents: 3579 diff changeset	414 cpuid(0x80000004, a, b, c, d);
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	415 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	416 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	417 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	418 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	419 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	420 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	421 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	422 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	423 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	424 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	425 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	426 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	427 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	428 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	429 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	430 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	431 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	432 }
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	433 if (!SDL_CPUName[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	434 SDL_strlcpy(SDL_CPUName, "Unknown", sizeof(SDL_CPUName));
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	435 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	436 }
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	437 return SDL_CPUName;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	438 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	439
5122 b3f075368b1f Added API function to get CPU cache line size. Sam Lantinga <slouken@libsdl.org> parents: 5117 diff changeset	440 int
b3f075368b1f Added API function to get CPU cache line size. Sam Lantinga <slouken@libsdl.org> parents: 5117 diff changeset	441 SDL_GetCPUCacheLineSize(void)
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	442 {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	443 const char *cpuType = SDL_GetCPUType();
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	444
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	445 if (SDL_strcmp(cpuType, "GenuineIntel") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	446 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	447
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	448 cpuid(0x00000001, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	449 return (((b >> 8) & 0xff) * 8);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	450 } else if (SDL_strcmp(cpuType, "AuthenticAMD") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	451 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	452
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	453 cpuid(0x80000005, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	454 return (c & 0xff);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	455 } else {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	456 /* Just make a guess here... */
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	457 return SDL_CACHELINE_SIZE;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	458 }
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	459 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	460
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 static Uint32 SDL_CPUFeatures = 0xFFFFFFFF;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	463 static Uint32
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	464 SDL_GetCPUFeatures(void)
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	466 if (SDL_CPUFeatures == 0xFFFFFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	467 SDL_CPUFeatures = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	468 if (CPU_haveRDTSC()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	469 SDL_CPUFeatures \|= CPU_HAS_RDTSC;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	470 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	471 if (CPU_haveMMX()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	472 SDL_CPUFeatures \|= CPU_HAS_MMX;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	473 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	474 if (CPU_haveMMXExt()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	475 SDL_CPUFeatures \|= CPU_HAS_MMXEXT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	476 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	477 if (CPU_have3DNow()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	478 SDL_CPUFeatures \|= CPU_HAS_3DNOW;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	479 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	480 if (CPU_have3DNowExt()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	481 SDL_CPUFeatures \|= CPU_HAS_3DNOWEXT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	482 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	483 if (CPU_haveSSE()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	484 SDL_CPUFeatures \|= CPU_HAS_SSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	485 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	486 if (CPU_haveSSE2()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	487 SDL_CPUFeatures \|= CPU_HAS_SSE2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	488 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	489 if (CPU_haveAltiVec()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	490 SDL_CPUFeatures \|= CPU_HAS_ALTIVEC;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	491 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	492 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	493 return SDL_CPUFeatures;
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	496 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	497 SDL_HasRDTSC(void)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	498 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	499 if (SDL_GetCPUFeatures() & CPU_HAS_RDTSC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	500 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	501 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	502 return SDL_FALSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	503 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	504
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	505 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	506 SDL_HasMMX(void)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	507 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	508 if (SDL_GetCPUFeatures() & CPU_HAS_MMX) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	509 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	510 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	511 return SDL_FALSE;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	512 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	513
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	514 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	515 SDL_HasMMXExt(void)
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	517 if (SDL_GetCPUFeatures() & CPU_HAS_MMXEXT) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	518 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	519 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	520 return SDL_FALSE;
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	523 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	524 SDL_Has3DNow(void)
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	525 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	526 if (SDL_GetCPUFeatures() & CPU_HAS_3DNOW) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	527 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	528 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	529 return SDL_FALSE;
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	532 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	533 SDL_Has3DNowExt(void)
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	534 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	535 if (SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	536 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	537 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	538 return SDL_FALSE;
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	539 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	540
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	541 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	542 SDL_HasSSE(void)
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	544 if (SDL_GetCPUFeatures() & CPU_HAS_SSE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	545 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	546 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	547 return SDL_FALSE;
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	550 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	551 SDL_HasSSE2(void)
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	552 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	553 if (SDL_GetCPUFeatures() & CPU_HAS_SSE2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	554 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	555 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	556 return SDL_FALSE;
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	557 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	558
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	559 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	560 SDL_HasAltiVec(void)
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	561 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	562 if (SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	563 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	564 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	565 return SDL_FALSE;
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	566 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	567
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 #ifdef TEST_MAIN
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 #include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	572 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	573 main()
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 {
3579 3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available. Sam Lantinga <slouken@libsdl.org> parents: 3515 diff changeset	575 printf("CPU count: %d\n", SDL_GetCPUCount());
5117 427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	576 printf("CPU type: %s\n", SDL_GetCPUType());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	577 printf("CPU name: %s\n", SDL_GetCPUName());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 5092 diff changeset	578 printf("CacheLine size: %d\n", SDL_GetCPUCacheLineSize());
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	579 printf("RDTSC: %d\n", SDL_HasRDTSC());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	580 printf("MMX: %d\n", SDL_HasMMX());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	581 printf("MMXExt: %d\n", SDL_HasMMXExt());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	582 printf("3DNow: %d\n", SDL_Has3DNow());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	583 printf("3DNowExt: %d\n", SDL_Has3DNowExt());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	584 printf("SSE: %d\n", SDL_HasSSE());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	585 printf("SSE2: %d\n", SDL_HasSSE2());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	586 printf("AltiVec: %d\n", SDL_HasAltiVec());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	587 return 0;
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 #endif /* TEST_MAIN */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	591
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1864 diff changeset	592 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/cpuinfo/SDL_cpuinfo.c @ 5170:88c656ffea44